283期:〓〓半数06,09,12,13,14,16,17,18,19,20,21,22,28,29,31,34,35,39,40,43,44,46,47,49》开39准
284期:〓〓半数01,02,03,05,06,11,12,13,14,16,17,20,24,26,30,32,33,35,36,42,43,47,48,49》开17准
285期:〓〓半数03,05,08,12,14,15,16,19,21,22,23,24,27,29,30,36,37,38,39,42,43,44,45,46》开33错
286期:〓〓半数02,03,04,05,07,09,11,13,14,17,18,23,28,31,36,37,40,41,42,44,46,47,48,49》开39错
287期:〓〓半数05,06,09,10,11,13,15,17,20,21,23,25,26,28,29,31,33,36,38,39,40,42,43,44》开25准
288期:〓〓半数01,02,03,04,05,07,09,12,15,17,20,21,23,25,26,28,30,31,34,35,38,41,42,45》开？？